A broker employed by the owner of lands to procure a sale thereof to one who shall agree to take from the owner a loan and improve the property can not, after recovering compensation from the owner of the property for effecting the sale, recover compensation from the purchaser for procuring the loan to him. Vanderpool v. Kearne, 2 E. D. Smith (N. Y.), 170. See Sec. 25. Compare Sec. 254.